CN213543667U

CN213543667U - Pressure relief type precession vortex flowmeter with pipeline protection function

Info

Publication number: CN213543667U
Application number: CN202022307412.3U
Authority: CN
Inventors: 王辉
Original assignee: Tianjin City Xin Sheng Chang Petroleum Machinery Manufacturing Co ltd
Current assignee: Tianjin City Xin Sheng Chang Petroleum Machinery Manufacturing Co ltd
Priority date: 2020-10-16
Filing date: 2020-10-16
Publication date: 2021-06-25
Anticipated expiration: 2030-10-16

Abstract

A pressure relief type precession vortex flowmeter with pipeline protection function comprises a shell, a vortex generating body, a pressure sensor, a flow calculating instrument, a temperature sensor, a piezoelectric sensor, an outlet flow guide body and a mounting block, the vortex generating device comprises a pin shaft, a spoiler, a first magnetic block, a second magnetic block and a spring, wherein a fluid inlet end and a fluid outlet end are respectively arranged at the left end and the right end of a shell, a vortex generating body is arranged at a position close to the fluid inlet end in the shell, an outlet flow guide body is arranged at a position close to the fluid outlet end in the shell, a flow calculator is communicated with the upper side of the shell, an installation block is arranged on the inner wall close to the vortex generating body in the shell, the installation block is rotatably connected with one end of the spoiler through the pin shaft, a torsion spring is arranged on the pin shaft, the other end of the spoiler is provided with the first magnetic block, the second magnetic block is arranged on the upper side. The utility model discloses have certain guard action to the pipeline inner wall, prolonged the life of flowmeter.

Description

Pressure relief type precession vortex flowmeter with pipeline protection function

Technical Field

The utility model relates to a field especially relates to a pressure release formula vortex flowmeter that precessions with pipeline protect function.

Background

The precession vortex flowmeter adopts advanced micro-processing technology, has the advantages of strong function, wide flow range, simple operation and maintenance, convenient installation and use and the like, and has main technical indexes reaching the advanced level of foreign similar products. The precession vortex flowmeter is widely applied to the industries of petroleum, chemical industry, electric power, metallurgy, urban gas supply and the like to measure various gas flows, and is a first-choice product for the measurement of natural gas transmission and distribution and the measurement of trade in oil fields and cities at present.

The conventional precession vortex flowmeter finds that the influence of the flow velocity of fluid on an inner pipeline of the flowmeter is large in use, and when the fluid flows highly, the impact on the inner wall of the pipeline is large, so that the inner wall of the pipeline is easy to damage, and the service life of the flowmeter is influenced. Therefore, a pressure relief type precession vortex flowmeter with a pipeline protection function is needed to solve the above problems.

Disclosure of Invention

According to the above technical problem, the utility model provides a pressure release formula precession vortex flowmeter with pipeline protect function, including casing, vortex generator, pressure sensor, flow calculator, temperature sensor, piezoelectric sensor, export baffle, installation piece, round pin axle, spoiler, first magnetic path, second magnetic path, spring, the casing left and right both ends are fluid inlet end, fluid outlet end respectively, the position that is close to the fluid inlet end in the casing is equipped with the vortex generator, the position that is close to the fluid outlet end in the casing is equipped with the export baffle, the middle part in the casing is equipped with piezoelectric sensor, piezoelectric sensor upside is equipped with pressure sensor, temperature sensor, the casing upside UNICOM has the flow calculator;

the vortex generator is characterized in that an installation block is arranged on the inner wall, close to the vortex generator, in the shell, and is rotatably connected with one end of the spoiler through a pin shaft, a torsion spring is installed on the pin shaft, a first magnetic block is arranged at the other end of the spoiler, a second magnetic block is arranged on the upper side of the first magnetic block, and the second magnetic block is fixedly connected with the upper side of the inner wall of the shell through a spring.

Furthermore, the first magnetic block and the spoiler are arranged in an obtuse angle mode and are of an integrated structure.

Furthermore, the opposite surfaces of the first magnetic block and the second magnetic block are magnetically attracted.

The utility model has the advantages that: the utility model relates to a pressure release precession vortex flowmeter with pipeline protect function, through setting up the spoiler, when the fluid low-speed flows, to the pipeline inner wall impact force less, first magnetic path and second magnetic path actuation each other this moment, the spoiler is in the top of pipeline inner wall, do not influence the fluid flow, when the fluid high-speed flows, impact to the pipeline inner wall great, the actuation force between first magnetic path, the second magnetic path is not enough to support the spoiler to continue to laminate the pipeline upper wall at this moment, and then fall and rotate to the position in the middle of the pipeline inner wall along the round pin axle, carry out the vortex to the fluid, prevent that high-speed fluid from causing the damage to the pipeline inner wall, thereby guarantee the life of flowmeter, after the fluid speed descends, the impact force is not enough to continue to push down the spoiler, then the spoiler upwards resets under torsion spring's effect, until first magnetic path and second magnetic path actuation, the spring has a certain buffering effect, and absorbs the shock impact when the first magnetic block and the second magnetic block are attracted.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is an enlarged schematic view of point A when the fluid of the present invention passes through at a low speed;

fig. 3 is an enlarged schematic view of point a when the fluid of the present invention passes through at high speed.

As shown in the figure: the vortex flow meter comprises a shell-1, a vortex generating body-2, a pressure sensor-3, a flow calculator-4, a temperature sensor-5, a piezoelectric sensor-6, an outlet flow guide body-7, a mounting block-8, a pin shaft-9, a spoiler-10, a first magnetic block-11, a second magnetic block-12 and a spring-13.

Detailed Description

Example 1:

according to the technical problem, the utility model provides a pressure release formula precession vortex flowmeter with pipeline protect function, including casing 1, vortex generator 2, pressure sensor 3, flowmeter calculate appearance 4, temperature sensor 5, piezoelectric sensor 6, export baffle 7, installation piece 8, round pin axle 9, spoiler 10, first magnetic path 11, second magnetic path 12, spring 13, casing 1 left and right both ends are fluid inlet end, fluid outlet end respectively, the position that is close to the fluid inlet end in casing 1 is equipped with vortex generator 2, the position that is close to the fluid outlet end in casing 1 is equipped with export baffle 7, middle part in casing 1 is equipped with piezoelectric sensor 6, piezoelectric sensor 6 upside is equipped with pressure sensor 3, temperature sensor 5, casing 1 upside UNICOM has flowmeter to calculate appearance 4;

the vortex generator is characterized in that an installation block 8 is arranged on the inner wall, close to the vortex generator 2, in the shell 1, the installation block 8 is rotatably connected with one end of a spoiler 10 through a pin shaft 9, a torsion spring is installed on the pin shaft 9, a first magnetic block 11 is arranged at the other end of the spoiler 10, a second magnetic block 12 is arranged on the upper side of the first magnetic block 11, and the second magnetic block 12 is fixedly connected with the upper side of the inner wall of the shell 1 through a spring 13.

Furthermore, the first magnetic block 11 and the spoiler 10 are arranged in an obtuse angle, and the two are of an integrated structure.

Furthermore, the opposite surfaces of the first magnetic block 11 and the second magnetic block 12 are magnetically attracted.

Example 2:

when the utility model is used, when fluid flows at low speed, the impact force on the inner wall of the pipeline is small, at the moment, the first magnetic block 11 and the second magnetic block 12 are mutually attracted, the spoiler 10 is positioned above the inner wall of the pipeline, the fluid flow is not influenced, when the fluid flows at high speed, the impact on the inner wall of the pipeline is large, at the moment, the attraction force between the first magnetic block 11 and the second magnetic block 12 is not enough to support the spoiler 10 to be continuously attached to the upper wall of the pipeline, the spoiler 10 rotates to a position in the middle of the inner wall of the pipeline along the pin shaft 9 to disturb the fluid, the damage of the high-speed fluid on the inner wall of the pipeline is prevented, the service life of the flowmeter is ensured, when the fluid speed is reduced, the impact force is not enough to continuously press down the spoiler 10, the spoiler 10 resets upwards under the action of the torsion spring, until the first magnetic block 11 and the second magnetic block 12, the shock impact when the first magnetic block 11 and the second magnetic block 12 are attracted is absorbed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. The utility model discloses each part that mentions is the common technique in prior art, and the technical personnel of this trade should understand, the utility model discloses do not receive the restriction of above-mentioned embodiment, the description only is the explanation in above-mentioned embodiment and the description the principle of the utility model, under the prerequisite that does not deviate from the spirit and the scope of the utility model, the utility model discloses still can have various changes and improvement, these changes and improvement all fall into the protection of claim the utility model is within the scope. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A pressure relief type precession vortex flowmeter with a pipeline protection function is characterized by comprising a shell, a vortex generating body, a pressure sensor, a flow calculator, a temperature sensor, a piezoelectric sensor, an outlet flow guide body, a mounting block, a pin shaft, a spoiler, a first magnetic block, a second magnetic block and a spring, wherein the left end and the right end of the shell are respectively a fluid inlet end and a fluid outlet end;

2. The pressure relief type vortex precession flowmeter having pipeline protection as claimed in claim 1, wherein the first magnetic block and the spoiler are arranged at an obtuse angle, and both are of an integral structure.

3. The pressure relief type precession vortex flowmeter having a pipeline protection function of claim 1, wherein the opposing faces of the first magnetic block and the second magnetic block are magnetically attracted.